diff --git a/bootstrap.py b/bootstrap.py
index 26fb76263e..ff2b586e5b 100755
--- a/bootstrap.py
+++ b/bootstrap.py
@@ -1,5 +1,5 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
+#!/usr/bin/env python3
+# coding: utf8
 """
 Bootstrap helps you to test scripts without installing them
 by patching your PYTHONPATH on the fly
diff --git a/run_tests.py b/run_tests.py
index c1aba74bdd..5d3155add2 100755
--- a/run_tests.py
+++ b/run_tests.py
@@ -1,8 +1,8 @@
-#!/usr/bin/env python
-# coding: utf-8
+#!/usr/bin/env python3
+# coding: utf8
 # /*##########################################################################
 #
-# Copyright (c) 2015-2018 European Synchrotron Radiation Facility
+# Copyright (c) 2015-2020 European Synchrotron Radiation Facility
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
diff --git a/version.py b/version.py
index 5e7b08ac2f..9695ad96f4 100644
--- a/version.py
+++ b/version.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # coding: utf-8
 # /*##########################################################################
 #
@@ -53,7 +53,7 @@
 __authors__ = ["Jérôme Kieffer"]
 __license__ = "MIT"
 __copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
-__date__ = "28/02/2018"
+__date__ = "30/09/2020"
 __status__ = "production"
 __docformat__ = 'restructuredtext'
 __all__ = ["date", "version_info", "strictversion", "hexversion", "debianversion",
@@ -115,6 +115,5 @@ def calc_hexversion(major=0, minor=0, micro=0, releaselevel="dev", serial=0):
 
 hexversion = calc_hexversion(*version_info)
 
-
 if __name__ == "__main__":
     print(version)